Results 21 to 30 of about 7,080 (210)

Towards batch correction for GC-IMS data

open access: yes2022 IEEE International Symposium on Olfaction and Electronic Nose (ISOEN), 2022
Gas Chromatography Ion Mobility Spectrometry (GC-IMS) is a fast, non-expensive analytical technique that allows obtaining relevant chemical information from vapor mixtures. However, the technique presents some difficulties that should be solved to ensure reliable and reproducible results, namely: 1) data exhibits simultaneously high dimensionality and ...
Fernández Romero, Luis   +3 more
openaire   +2 more sources

The detection of wound infection by ion mobility chemical analysis [PDF]

open access: yes, 2020
Surgical site infection represents a large burden of care in the National Health Service. Current methods for diagnosis include a subjective clinical assessment and wound swab culture that may take several days to return a result.
Bechar, Janak   +4 more
core   +1 more source

Characteristic Volatile Fingerprints of Four Chrysanthemum Teas Determined by HS-GC-IMS [PDF]

open access: yesMolecules, 2021
Volatile composition is an important feature that determines flavor, which actively affects the overall evaluation of chrysanthemum tea. In this study, HS-GC-IMS (headspace-gas chromatography-ion mobility spectrometry) was performed to characterize the volatile profiles of different chrysanthemum tea subtypes.
Zhiling Wang   +4 more
openaire   +3 more sources

Differential Fingerprint Analysis of Volatile Compounds in Rice with Remained Germ Roasted to Different Degrees by Gas Chromatography-Ion Mobility Spectrometry and Principal Component Analysis [PDF]

open access: yesShipin Kexue, 2023
The volatile flavor substances of rice with remained germ roasted to different degrees were analyzed and compared by gas chromatography-ion mobility spectrometry (GC-IMS) combined with principal component analysis (PCA), with the aim of establishing ...
WANG Ziyan, DOU Boxin, JIA Jianhui, ZHANG Yu, LIU Ying, ZHANG Na
doaj   +1 more source

Deep Learning Techniques to Improve the Performance of Olive Oil Classification [PDF]

open access: yes, 2020
The olive oil assessment involves the use of a standardized sensory analysis according to the “panel test” method. However, there is an important interest to design novel strategies based on the use of Gas Chromatography (GC) coupled to mass ...
Jurado Campos, Natividad   +3 more
core   +1 more source

Characterization of the Flavor Profile of Bigeye Tuna Slices Treated by Cold Plasma Using E-Nose and GC-IMS

open access: yesFishes, 2022
To avoid heat, treatment induces numerous physicochemical changes under severe conditions in the tuna, cold plasma (CP), as a non-thermal technology, possess objective potential on tuna processing.
Weicong Pan   +8 more
doaj   +1 more source

Application of GC-IMS coupled with chemometric analysis for the classification and authentication of geographical indication agricultural products and food

open access: yesFrontiers in Nutrition, 2023
Geographical indications (GI) are used to protect the brand value of agricultural products, foodstuffs, and wine and promote the sustainable development of the agricultural and food industries.
Hong Zhu, Dazhou Zhu, Junmao Sun
doaj   +1 more source

Peppermint protocol: first results for gas chromatography-ion mobility spectrometry [PDF]

open access: yes, 2022
The Peppermint Initiative seeks to inform the standardisation of breath analysis methods. Five Peppermint Experiments with gas chromatography-ion mobility spectrometry (GC-IMS), operating in the positive mode with a tritium 3H 5.68 keV, 370 MBq ...
,   +15 more
core   +2 more sources

Comparative Analysis of Key Odorants and Aroma Characteristics in Hot-Pressed Yellow Horn (Xanthoceras sorbifolia bunge) Seed Oil Via Gas Chromatography–Ion Mobility Spectrometry and Gas Chromatography–Olfactory-Mass Spectrometry

open access: yesFoods, 2023
Volatile compounds (VOCs) present in the oil extracted from yellow horn seeds were first analyzed using GC-IMS and GC-O-MS at varying roasting temperatures. A total of 97 VOCs were detected using GC-IMS, while 77 were tentatively identified using GC-O-MS.
Hui Gao   +9 more
doaj   +1 more source

Recent trends and developments in pyrolysis-gas chromatography: review [PDF]

open access: yes, 2008
Pyrolysis-gas chromatography (Py-GC) has become well established as a simple, quick and reliable analytical technique for a range of applications including the analysis of polymeric materials.
Arias   +179 more
core   +1 more source

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